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  <div id="layout-content"><div id="snmp.geterror" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">SNMP::getError</h1>
  <p class="verinfo">(PHP 5 &gt;= 5.4.0, PHP 7, PHP 8)</p><p class="refpurpose"><span class="refname">SNMP::getError</span> &mdash; <span class="dc-title">Get last error message</span></p>

 </div>

 <div class="refsect1 description" id="refsect1-snmp.geterror-description">
  <h3 class="title">说明</h3>

  <div class="methodsynopsis dc-description">
   <span class="modifier">public</span> <span class="methodname"><strong>SNMP::getError</strong></span>(): <span class="type">string</span></div>

  <p class="para rdfs-comment">
   Returns string with error from last SNMP request.
  </p>
 </div>


 <div class="refsect1 parameters" id="refsect1-snmp.geterror-parameters">
  <h3 class="title">参数</h3>
  <p class="para">此函数没有参数。</p>
 </div>


 <div class="refsect1 returnvalues" id="refsect1-snmp.geterror-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   String describing error from last SNMP request.
  </p>
 </div>


 <div class="refsect1 examples" id="refsect1-snmp.geterror-examples">
  <h3 class="title">范例</h3>
  <div class="example" id="snmp.geterror.example.basic">
   <p><strong>示例 #1 <span class="methodname"><strong>SNMP::getError()</strong></span> example</strong></p>
   <div class="example-contents"><p>
   </p></div>
   <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br />$session&nbsp;</span><span style="color: #007700">=&nbsp;new&nbsp;</span><span style="color: #0000BB">SNMP</span><span style="color: #007700">(</span><span style="color: #0000BB">SNMP</span><span style="color: #007700">::</span><span style="color: #0000BB">VERSION_2c</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'127.0.0.1'</span><span style="color: #007700">,&nbsp;</span><span style="color: #DD0000">'boguscommunity'</span><span style="color: #007700">);<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(@</span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">get</span><span style="color: #007700">(</span><span style="color: #DD0000">'.1.3.6.1.2.1.1.1.0'</span><span style="color: #007700">));<br /></span><span style="color: #0000BB">var_dump</span><span style="color: #007700">(</span><span style="color: #0000BB">$session</span><span style="color: #007700">-&gt;</span><span style="color: #0000BB">getError</span><span style="color: #007700">());<br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
   </div>

   <div class="example-contents"><p>以上例程会输出：</p></div>
   <div class="example-contents screen">
<div class="cdata"><pre>
bool(false)
string(26) &quot;No response from 127.0.0.1&quot;
</pre></div>
   </div>
  </div>
 </div>


 <div class="refsect1 seealso" id="refsect1-snmp.geterror-seealso">
  <h3 class="title">参见</h3>
  <ul class="simplelist">
   <li class="member"><span class="methodname"><a href="snmp.geterrno.html" class="methodname" rel="rdfs-seeAlso">SNMP::getErrno()</a> - Get last error code</span></li>
  </ul>
 </div>


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